Current Electricity Electric current is a Vector quantity Number only Scalar quantity Sometimes scalar and sometimes vector Vector quantity Number only Scalar quantity Sometimes scalar and sometimes vector ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive None of the listed here Negative Zero Positive None of the listed here Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% None of the listed here 0.3% 0.4% 0.2% None of the listed here 0.3% 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength ANSWER DOWNLOAD EXAMIANS APP